Add CI build job

.github/workflows/build.yml

@@ -0,0 +1,30 @@
+name: CI Build
+
+on:
+  push:
+jobs:
+  Build:
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [ ubuntu-latest, macos-latest, windows-latest ]
+        mode: [ Debug, ReleaseSafe, ReleaseSmall ]
+        target: [ native, x86_64-linux-gnu, x86_64-linux-musl, aarch64-linux-gnu, x86_64-macos, aarch64-macos, x86_64-windows, aarch64-windows ]
+    name: ${{ matrix.os }}, ${{ matrix.target }}-${{ matrix.mode }}
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v3
+        name: Checkout repo
+
+      - name: Install Zig
+        uses: goto-bus-stop/setup-zig@v2
+
+      - name: Build 
+        run: zig build -Doptimize=${{ matrix.mode }} -Dtarget=${{ matrix.target }}
+
+      - name: Upload
+        if: matrix.os == 'ubuntu-latest' && matrix.target != 'native' && matrix.mode == 'ReleaseSmall'
+        uses: actions/upload-artifact@v3
+        with:
+          path: zig-out/bin
+          name: ${{ matrix.target }} - ${{ matrix.mode }}

build.zig

@@ -15,13 +15,10 @@ pub fn build(b: *std.Build) void {
     b.installArtifact(exe);
 
     const run_cmd = b.addRunArtifact(exe);
-
     run_cmd.step.dependOn(b.getInstallStep());
-
     if (b.args) |args| {
         run_cmd.addArgs(args);
     }
-
     const run_step = b.step("run", "Run the app");
     run_step.dependOn(&run_cmd.step);
 }